Home / 433,631.36-649,972.56-223,281.92

Finding the Fourth Proportional to 433,631.36, 649,972.56 and 223,281.92

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Solution

The fourth proportional to 433,631.36, 649,972.56 and 223,281.92 is: 334,678.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,631.36 : 649,972.56 = 223,281.92 : x
  2. Step 2: Convert to fraction form
    433,631.36/649,972.56 = 223,281.92/x
  3. Step 3: Cross multiply
    433,631.36x = 649,972.56 × 223,281.92
  4. Step 4: Simplify right side
    433,631.36x = 145,127,121,144.12
  5. Step 5: Solve for x
    x = 145,127,121,144.12/433,631.36
  6. Step 6: Final answer
    x = 334,678.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.